Home / 39,631.68-54,692.16-22,638.17

Finding the Fourth Proportional to 39,631.68, 54,692.16 and 22,638.17

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Solution

The fourth proportional to 39,631.68, 54,692.16 and 22,638.17 is: 31,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.68 : 54,692.16 = 22,638.17 : x
  2. Step 2: Convert to fraction form
    39,631.68/54,692.16 = 22,638.17/x
  3. Step 3: Cross multiply
    39,631.68x = 54,692.16 × 22,638.17
  4. Step 4: Simplify right side
    39,631.68x = 1,238,130,142.29
  5. Step 5: Solve for x
    x = 1,238,130,142.29/39,631.68
  6. Step 6: Final answer
    x = 31,240.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.